It's a list of companies which do not charge end-users. Netflix requires a subscription to view anything, complies with regulations about region-specific copyrights, and has zero deals with third parties.
Their business model is simple. They're TV, on the internet. They buy or make tv shows, and display them to you for a fee. They're not a "platform", they're just a cable TV service.
We all pay for Amazon Prime, and yet Amazon is on there.
Netflix is a video streaming service which will "collect, use, track, estimate, or derive personal and demographic information". It will "determine which ads and other content are shown to consumers". It will "apply algorithms or data analytics to personal information". It will "measure, promote, and research user engagement". And "their practices affect children and teens".
Netflix is responsible for an immense amount of screentime, and its algorithms are designed to maximize that screentime to reduce subscriber churn.
From the order "Identify each Social Media and Video Streaming Service provided or sold by the Company". It doesn't seem to be limited to only Social Media sites, it also includes any "Video Streaming Service". The broadest interpretation I could come up with from this statement also include the cloud video streaming/transcoding offerings Amazon provides.
Amazon is on there because they run an affiliates ads system over millions of sites, and are a marketplace for other people to sell their goods. In comparison netflixes operations are very simple.
Their business model is simple. They're TV, on the internet. They buy or make tv shows, and display them to you for a fee. They're not a "platform", they're just a cable TV service.